85049-90-7 EINECS 285-264-7 Urea, N,N'-bis(hydroxymethyl)-, reaction products with ethylene glycol, formaldehyde, glutaraldehyde and tetrahydro-1,3,4,6-tetrakis(hydroxymethyl)imidazo(4,5-d)imidazole-2,5(1H,3H)-dione